<?php
/**
 * CExtController class file.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @link http://www.yiiframework.com/
 * @copyright 2008-2013 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */


/**
 * CExtController is the base class for controllers distributed as extension.
 *
 * The main purpose of CExtController is to redefine the {@link viewPath} property
 * so that it points to the "views" subdirectory under the directory containing
 * the controller class file.
 *
 * @property string $viewPath The directory containing the view files for this controller.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @package system.web
 * @since 1.0
 */
class CExtController extends CController
{
    private $_viewPath;

    /**
     * Returns the directory containing view files for this controller.
     * This method overrides the parent implementation by specifying the view path
     * to be the "views" subdirectory under the directory containing the controller
     * class file.
     * @return string the directory containing the view files for this controller.
     */
    public function getViewPath()
    {
        if ($this->_viewPath === null) {
            $class = new ReflectionClass(get_class($this));
            $this->_viewPath = dirname($class->getFileName()) . DIRECTORY_SEPARATOR . 'views';
        }
        return $this->_viewPath;
    }

    /**
     * @param string $value the directory containing the view files for this controller.
     */
    public function setViewPath($value)
    {
        $this->_viewPath = $value;
    }
}
